Ammonia is produced when uneaten food and waste decompose. This is highly stressful and toxic to fish if left to accumulate within the aquarium. To know if you have a build up of ammonia, test weekly.

Kit includes:

• 2 x NH3 (15 ml)
• 1 x NH3 (10 ml)
• 1 x Pipette
• 1 x Glass test tube 
• Instruction booklet
• 50 tests